Core i7-990X Extreme Edition: specs and benchmarks

Summary

Intel started Core i7-990X Extreme Edition sales 13 February 2011. Based on a Westmere architecture, this desktop processor is primarily aimed at home systems. It has 6 cores and 12 threads, and is based on 32 nm manufacturing technology, with a maximum frequency of 3460 MHz - 3733 MHz (1 core)3733 MHz (2 cores)3600 MHz (3 cores)3600 MHz (4 cores)3600 MHz (5 cores)3600 MHz (6 cores) and a locked multiplier.

Compatibility-wise, this is processor with a TDP of 130 Watt.

Primary details

Core i7-990X Extreme Edition processor market type (desktop or notebook), architecture, sales start time and pricing.

Place in performance ranking	not rated
Place by popularity	not in top-100
Market segment	Desktop processor
Series	Intel Core i7EE
Architecture codename	Westmere (2010−2011)
Release date	13 February 2011 (13 years ago)
Current price	$151	of 15069 (EPYC 7663)

Detailed specifications

Basic microprocessor parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters can generally indicate CPU performance, but to be more precise you have to review its test results.

Physical cores	6 (Hexa-Core)
Threads	12
Boost clock speed	3.46 GHz	of 6.2 (Core i9-14900KS)
Bus support	6.4 GT/s
L2 cache	1.5 MB	of 96 (Ryzen Threadripper PRO 7995WX)
L3 cache	12 MB	of 768 (EPYC 7373X)
Chip lithography	32 nm	of 3 (Apple M3 Max 16-Core)
Die size	239 mm2
64 bit support	+
Windows 11 compatibility	-
Unlocked multiplier	No

Compatibility

Information on Core i7-990X Extreme Edition compatibility with other computer components and devices: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.

Number of CPUs in a configuration	1 (Uniprocessor)	of 8 (Opteron 842)
Power consumption (TDP)	130 Watt	of 400 (Xeon Platinum 9282)

Technologies and extensions

Technological capabilities and additional instructions supported by Core i7-990X Extreme Edition. You'll probably need this information if you require some particular technology.

AES-NI	+
Enhanced SpeedStep (EIST)	+

Memory specs

Types, maximum amount and channel number of RAM supported by Core i7-990X Extreme Edition's memory controller. Depending on the motherboard, higher memory frequency may be supported.

Maximum memory size

24 GB

of 786 (Xeon E5-2670 v3)

Benchmark performance

Single-core and multi-core benchmark results of Core i7-990X Extreme Edition. Overall benchmark performance is measured in points in 0-100 range, higher is better.

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